<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        class Person {
            name;
            // 私有属性
            #weight;

            constructor(name, weight) {
                this.name = name
                this.#weight = weight
            }

            say() {
                console.log('悄悄说：', this.#weight)
            }
        }

        let p = new Person('Java', 88)
        console.log(p)
        // console.log(p.#weight)
        console.log(p.say())

    </script>
</body>
</html>